print the code which defined a lambda function


This question already has an answer here:


As long as you save your code to a source file you can retrieve the source code of an object using the inspect module.

example: open editor type:

myfunction = lambda x: x==2

save as

open shell type python to get to interactive python type the following:

>>>from lamtest import myfunc
>>>import inspect

the result:

'myfunc = lambda x: x==2\n'

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perl hash key undefined autovivification

The following code prints Key defined 3.

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I have a Guice module that has a @Provides method that takes 2 parameters and returns the implementation of the interface:

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